package com.example.mockitostudy.dao;

import com.example.mockitostudy.entity.User;

public class UserMapper {
    /**
     * 假设database不可用
     * @param username
     * @param password
     * @return
     */
    public User findUser(String username, String password) {
        throw new UnsupportedOperationException();
    }
}
